Tornadoes and Damaging Winds in Michigan, August 9, 1979

Name: Tornadoes and Damaging Winds in Michigan, August 9, 1979
Start: 1979-08-09T22:30
End: 1979-08-09T23:30
Location: Michigan

August 9, 1979 · NWS MT · 7 events in 3 counties and zones

4 thunderstorm wind, 3 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $278,000
Crop damage: None recorded
Events: 7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

4 thunderstorm wind, 3 tornado. Local standard time, as filed.

Tornado, Ottawa

When: August 9, 10:30 PM CST
Where: Ottawa County
Rating: F1
Path length: 0.3 mi
Path width: 100 yd
Property damage: $250,000
Coordinates: 43.070, -86.230

Thunderstorm Wind, Ottawa

When: August 9, 10:30 PM CST
Where: Ottawa County
Coordinates: 43.030, -86.200

Thunderstorm Wind, Hillsdale

When: August 9, 11:00 PM CST
Where: Hillsdale County
Coordinates: 43.370, -84.850

Thunderstorm Wind, Ottawa

When: August 9, 11:00 PM CST
Where: Ottawa County
Coordinates: 43.030, -85.830

Tornado, Ottawa

When: August 9, 11:10 PM CST
Where: Ottawa County
Rating: F1
Path length: 3 mi
Path width: 220 yd
Property damage: $25,000
Coordinates: 43.050, -85.850

Thunderstorm Wind, Ionia

When: August 9, 11:30 PM CST
Where: Ionia County
Coordinates: 43.100, -85.230

Tornado, Ottawa

When: August 9, 11:30 PM CST
Where: Ottawa County
Rating: F0
Path length: 0.3 mi
Path width: 67 yd
Property damage: $3,000
Coordinates: 43.020, -85.800

What these are

Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Michigan in 1979 Every state in 1979 This day in weather history The tornado archive for Michigan, 1979

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10039613, 10039614, 10039615, 10040746, 10040747, 10039265, 10040748.